If there's an anomaly in power consumption for your device or embedded system it could be infected with malware.
It's a variation of the long-standing change detection (or "integrity" monitoring) type of malware detection. I suspect it has a ways to go, but it is an interesting idea ...
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Other posts: https://community.isc2.org/t5/forums/recentpostspage/user-id/1324864413
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